Find the series' radius of convergence.
A. 2
B. ?, for all x
C. 4
D. 1
Answer: A
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Find the conditional probability.If two cards are drawn at random without replacement from a standard deck, find the probability that the second card is red, given that the first card was a heart.
A. 
B. 
C. 
D. 
Find a formula for the nth term of the sequence.0, 0, 2, 2, 0, 0, 2, 2 (alternating 0's and 2's in pairs)
A. an = 1 + (-1)n(n + 1)/2 B. an = 1 + (-1)n(n-1) C. an = 1 + (-1)n(n+1) D. an = 1 - (-1)n(n-1)
Solve the problem.What principal invested at 8% compounded continuously for 4 years will yield $1190? Round the answer to two decimal places.
A. $627.48 B. $1638.78 C. $864.12 D. $1188.62
Use a proportion to solve the problem.A label printer prints 8 pages of labels in 4.7 seconds. How long will it take to print 48 pages of labels?
A. 30.20 seconds B. 31.20 seconds C. 32.20 seconds D. 28.20 seconds